inux  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection --std=gnu89 -fPIC   -o CMakeFiles/sigar.dir/sigar_format.c.o   -c /builddir/build/BUILD/sigar-1.6.5/src/sigar_format.c
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c: In function 'get_iostat_procp':
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c:1341:11: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
BUILDSTDERR:      (void)fgets(buffer, sizeof(buffer), fp); /* skip header */
BUILDSTDERR:            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c: In function 'sigar_net_route_list_get':
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c:1814:11: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
BUILDSTDERR:      (void)fgets(buffer, sizeof(buffer), fp); /* skip header */
BUILDSTDERR:            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c: In function 'sigar_net_interface_stat_get':
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c:1857:5: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
BUILDSTDERR:      fgets(buffer, sizeof(buffer), fp);
BUILDSTDERR:      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c:1858:5: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
BUILDSTDERR:      fgets(buffer, sizeof(buffer), fp);
BUILDSTDERR:      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c: In function 'proc_net_read':
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c:2022:5: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
BUILDSTDERR:      fgets(buffer, sizeof(buffer), fp); /* skip header */
BUILDSTDERR:      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c: In function 'sigar_arp_list_get':
BUILDSTDERR: /builddir/build/BUILD/sigar-1.6.5/src/os/linux/linux_sigar.c:2503:11: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]
BUILDSTDERR:      (void)fgets(buffer, sizeof(buffer), fp); /* skip header */
BUILDSTDERR:            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: make[2]: *** [build-src/CMakeFiles/sigar.dir/build.make:66: build-src/CMakeFiles/sigar.dir/os/linux/linux_sigar.c.o] Error 1
BUILDSTDERR: make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/builddir/build/BUILD/sigar-1.6.5/build'
make[1]: Leaving directory '/builddir/build/BUILD/sigar-1.6.5/build'
BUILDSTDERR: make[1]: *** [CMakeFiles/Makefile2:990: build-src/CMakeFiles/sigar.dir/all] Error 2
BUILDSTDERR: make: *** [Makefile:166: all] Error 2
RPM build errors:
BUILDSTDERR: error: Bad exit status from /var/tmp/rpm-tmp.pguw3M (%build)
BUILDSTDERR:     Bad exit status from /var/tmp/rpm-tmp.pguw3M (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/mockbuild/trace_decorator.py", line 96, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.6/site-packages/mockbuild/util.py", line 626, in do
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/sigar.spec